Photonic crystal waveguides and systems using such waveguides

US7310466B2 · kind B2 · utility

Assignee

• OmniGuide, Inc. · US

Inventors

• Yoel Fink · Cambridge, US
• Vladimir Fuflyigin · Medford, US
• Rokan Ahmad · Medford, US
• Emilia Anderson · Cambridge, US
• Barry Farnsworth · West Bridgewater, US
• Yelena Kahn · Marblehead, US
• Aaron Micetich · Boston, US
• Peter Prideaux · Green Cove Springs, US
• Uri Kolodny · Cambridge, US

Key dates

• Filing date: Nov 1, 2004
• Grant date: Dec 18, 2007
• Expiry date: Jun 21, 2025

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B6/02361
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

In general, in one aspect, the invention features a waveguide that includes a core extending along a waveguide axis and a confinement region surrounding the core. The confinement region includes a spiral portion and a non-spiral portion, wherein the spiral portion and the non-spiral portion extend along the waveguide axis.